Knife sharpener

The ornamental design for a knife sharpener, as shown.

FIG. 1 is a perspective view of my design for a knife sharpener;

FIG. 2 is a left side elevational view;

FIG. 3 is a right side elevational view;

FIG. 4 is a rear elevational view; and,

FIG. 5 is a top plan view.

Patent	Priority	Assignee	Title
6149662,	Sep 08 1997	Miltex Technology Corporation	Medical scissor sharpener
6547656,	Oct 16 2000		Serrated knife sharpener
7467991,	Oct 22 2004	GB II Corporation	Knife sharpener
8267750,	Mar 27 2003	Edgecraft Corporation	Apparatus for precision steeling/conditioning of knife edges
8430720,	Mar 27 2003	Edgecraft Corporation	Apparatus for precision steeling/conditioning of knife edges
D453290,	Mar 16 2001		Knife sharpening tool
D525509,	Feb 09 2005	Weschenfelder GmbH	Blade sharpener
D526876,	Mar 14 2005	SMITH S CONSUMER PRODUCTS, INC	Knife and scissors sharpener
D646140,	Aug 17 2010	MR BAR-B-Q PRODUCTS LLC	Cutlery sharpener
D731278,	Nov 16 2013		Multi-functional sharpener for tools and blades
D763650,	Dec 15 2014	Zwilling J.A. Henckels AG	Sharpener
D773913,	Dec 15 2014	Zwilling J.A. Henckels AG	Sharpener
D947643,	Nov 02 2020		Garden sharpener

Patent	Priority	Assignee	Title
4550632,	Jan 18 1983	Archant Limited	Knife sharpener
4558540,	Jan 28 1983	FISKARS MANUFACTURING CORPORATION A WI CORPORATION	Knife sharpener
170534,
184423,
D276884,	Dec 29 1982	Oy Fiskars AB	Dual knife sharpener with single handle
D276886,	Dec 29 1982	Oy Fiskars AB	Knife sharpener
D315663,	Jun 10 1988	CREATIVE PRODUCTS INTERNATIONAL, INC , A CORP OF TX	Hand held knife sharpener
D322741,	Jan 24 1989	WILL ENTERPRISE, LTD	Knife sharpener
D341534,	Sep 16 1991		Knife sharpener

Executed on	Assignor	Assignee	Conveyance	Frame	Reel	Doc
May 12 1995	HUBER, ADAM W	HUBER FAMILY TRUST U A RESTATED MAY 2, 1988, THE	ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS	007503	0011	pdf

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